Senior Network Engineer

Salary: $150,000 - 200,000 per year Requirements:

• Active Secret clearance is a necessity.
• Security+ or a comparable DoD 8570/8140 baseline certification is required.
• Proven experience in supporting Department of Defense network environments, including classified networks.
• Background in conducting or assisting with classified network builds, migrations, or secure modernization efforts.
• Comprehensive understanding of routing, switching, VLANs, trunking, subnetting, ACLs, firewalls, VPNs, network segmentation, and enterprise network troubleshooting.
• Familiarity with Cisco routers, switches, and associated technologies.
• Experience with applying, reviewing, or fixing DISA STIGs for network devices.
• Involvement in supporting CORA, cybersecurity inspections, audits, compliance reviews, or technical readiness assessments.
• Proficient in creating accurate and professional network documentation for customer settings.
• Preferred CCNA or higher certification; desirable experience with Cisco ISE, Palo Alto firewalls, ACAS/Nessus, STIG Viewer, RMF, or DoD compliance workflows.

• Design, build, configure, and maintain both classified and unclassified Department of Defense network environments.
• Carry out network assessments, audits, and technical reviews in support of Cyber Operational Readiness Assessments (CORA) and other inspection or readiness initiatives.
• Validate and remediate network device configurations to ensure adherence to DISA STIGs, C2C standards, and customer security requirements.
• Set up, troubleshoot, and oversee Cisco routing and switching infrastructure across various customer sites.
• Administer Cisco ISE, focusing on authentication, authorization, network access control, TACACS+, RADIUS, and related policy enforcement tasks.
• Configure, evaluate, and debug Palo Alto firewall policies, zones, NAT rules, access controls, and security setups.
• Detect network vulnerabilities, configuration shortfalls, documentation gaps, and operational risks; suggest and implement corrective measures.
• Evaluate network infrastructure and devices against DISA Security Technical Implementation Guides (STIGs) and assist with NIST SP 800-53 security control assessments.
• Produce and maintain thorough network documentation, covering diagrams, IP address plans, port maps, device inventories, rack layouts, configuration baselines, and site-specific procedures.
• Collaborate directly with government clients, cybersecurity teams, system administrators, and other technical stakeholders to resolve network and compliance challenges.
• Facilitate change management, configuration management, vulnerability remediation, and technical reporting about network infrastructure.

• Cisco
• Firewall
• Support
• NAT
• Network
• Security

More:

We are looking for a Senior Network Engineer to play a vital role in supporting our Department of Defense customers with classified network builds, cybersecurity preparedness, network audits, and compliance-focused engineering. This role involves secure network design, implementation, assessment, enhancement, troubleshooting, and comprehensive documentation across various classified and unclassified environments. The position may require up to 50% travel, and we prefer candidates located in, or willing to relocate to, the MA, RI, CT area. We offer competitive pay ranging from $150,000.00 to $200,000.00 per year along with benefits such as a 401(k), matching contributions, and paid time off.

last updated 37 week of 2026